Motorola GTR 8000

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GTR8000BaseRadio

4.5UsingV oyenceControltoCongureCentralizedAuthenticationonDevices...............................................4-33

5GTR8000BaseRadioOptimization..............................................................................................................5-1

5.1AligningtheInternalFrequencyReferenceOscillator..............................................................................5-1

5.1.1GTR8000BaseRadioTimeandFrequencyInputs........................................................................5-2

5.2EqualizingtheBattery.......................................................................................................................5-2

5.3AligningASTROSimulcast(TrunkedOperation)...................................................................................5-3

5.4AligningASTRO/AnalogSimulcast(ConventionalOperation)..................................................................5-3

5.5AligningCarrierSquelch....................................................................................................................5-3

5.6AligningTxWireline.........................................................................................................................5-4

5.7AligningRxWireline........................................................................................................................5-4

5.8TuningaPreselector..........................................................................................................................5-4

5.8.1VHFTuningProcedures............................................................................................................5-5

5.8.1.1CalculatingProperVHFAlignmentFrequency.......................................................................5-5

5.8.1.1.1CalculatingTheVHFAlignmentFrequencyForaSingleReceiveFrequency......................5-5

5.8.1.1.2CalculatingTheVHFAlignmentFrequencyforMultiReceiveFrequencies........................5-5

5.8.1.2PreparingTheEquipmentForVHFAlignment.......................................................................5-6

5.8.1.3VHFTuningProcedure......................................................................................................5-6

5.8.1.3.1TuningTheVHFPreselector......................................................................................5-8

5.8.2UHFTuningProcedures............................................................................................................5-8

5.8.2.1CalculatingProperUHFAlignmentFrequency.......................................................................5-8

5.8.2.1.1CalculatingTheUHFAlignmentFrequencyForaSingleReceiveFrequency......................5-8

5.8.2.1.2CalculatingTheUHFAlignmentFrequencyForMultiReceiveFrequencies.......................5-9

5.8.2.2PreparingTheEquipmentForUHFAlignment.....................................................................5-10

5.8.2.3UHFTuningProcedure....................................................................................................5-10

5.8.2.3.1TuningTheUHFPreselector....................................................................................5-12

5.9TuningaDuplexer..........................................................................................................................5-12

5.9.1FieldTuningOverview...........................................................................................................5-12

5.9.2RequiredTestEquipment........................................................................................................5-13

5.9.3Tuninga700/800MHzDuplexer..............................................................................................5-13

5.9.4TuningaVHFDuplexer..........................................................................................................5-13

5.9.4.1SettingUpforTuningaVHFDuplexer...............................................................................5-14

5.9.4.1.1HowToSetUpTuningTheVHFDuplexer................................................................5-15

5.9.4.2TuningVHFDuplexerLowPassResonators........................................................................5-15

5.9.4.2.1HowToTuneVHFDuplexerLowPassResonators......................................................5-16

5.9.4.3TuningVHFDuplexerHighPassResonators.......................................................................5-16

5.9.4.3.1HowToTuneVHFDuplexerHighPassResonators.....................................................5-17

5.9.4.4TuningVHFDuplexerHighNotchLoopAssemblies.............................................................5-17

5.9.4.4.1HowToTuneVHFDuplexerHighNotchLoopAssemblies...........................................5-18

5.9.4.5TuningVHFDuplexerLowNotchLoopAssemblies.............................................................5-18

5.9.4.5.1HowToTuneVHFDuplexerLowNotchLoopAssemblies...........................................5-19

5.9.4.6V erifyingVHFDuplexerInsertionLoss..............................................................................5-19

5.9.4.6.1HowToVerifyVHFDuplexerInsertionLoss..............................................................5-21

5.9.4.7V erifyingVHFDuplexerIsolation......................................................................................5-21

5.9.4.7.1HowToVerifyVHFDuplexerIsolation.....................................................................5-23

5.9.4.8VHFDuplexerPostTuningChecks....................................................................................5-23

5.9.5TuningaUHFDuplexer..........................................................................................................5-23

5.9.5.1SettingUpforTuningaUHFDuplexer...............................................................................5-24

5.9.5.1.1HowToSetUpTuningtheUHFDuplexer..................................................................5-25

5.9.5.2TuningUHFDuplexerLowPassResonators........................................................................5-25

5.9.5.2.1HowToTuneUHFDuplexerLowPassResonators......................................................5-26

5.9.5.3TuningUHFDuplexerHighPassResonators.......................................................................5-26

5.9.5.3.1HowToTuneUHFDuplexerHighPassResonators.....................................................5-27

5.9.5.4TuningUHFDuplexerHighNotchLoopAssemblies.............................................................5-27

5.9.5.4.1HowToTuneUHFDuplexerHighNotchLoopAssemblies...........................................5-28

5.9.5.5TuningUHFDuplexerLowNotchLoopAssemblies.............................................................5-28

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